[clang] [clan-repl] : Fix clang-repl crash with --cuda flag (PR #136404)

[Anutosh Bhat via cfe-commits]

================
@@ -451,13 +451,44 @@ const char *const Runtimes = R"(
 )";
 
 llvm::Expected<std::unique_ptr<Interpreter>>
-Interpreter::create(std::unique_ptr<CompilerInstance> CI) {
+Interpreter::create(std::unique_ptr<CompilerInstance> CI,
+                    std::unique_ptr<CompilerInstance> DeviceCI) {
   llvm::Error Err = llvm::Error::success();
   auto Interp =
       std::unique_ptr<Interpreter>(new Interpreter(std::move(CI), Err));
   if (Err)
     return std::move(Err);
 
+  if (DeviceCI) {
+    // auto DeviceLLVMCtx = std::make_unique<llvm::LLVMContext>();
+    // auto DeviceTSCtx =
+    //     std::make_unique<llvm::orc::ThreadSafeContext>(std::move(DeviceLLVMCtx));
+
+    // llvm::Error DeviceErr = llvm::Error::success();
+    // llvm::ErrorAsOutParameter EAO(&DeviceErr);
+
+    // auto DeviceAct = std::make_unique<IncrementalAction>(
+    //     *DeviceCI, *DeviceTSCtx->getContext(), DeviceErr, *Interp);
+
+    // if (DeviceErr)
+    //   return std::move(DeviceErr);
+
+    // DeviceCI->ExecuteAction(*DeviceAct);
+    DeviceCI->ExecuteAction(*Interp->Act);
----------------
anutosh491 wrote:

Here,
I am not 100% sure how tightly coupled is an `Action` with a `CompilerInstance`. So I thought maybe we would need a new "DeviceAct" here rather than using the Host CI's Action.

So I wrote that and commented it out !

If that's not required, I'll get rid of whatever we don't want.

https://github.com/llvm/llvm-project/pull/136404